Add charger and battery definition for the Epson Moverio BT-200 to make
charging working.
Signed-off-by: Andreas Kemnade <andreas@xxxxxxxxxxxx>
---
.../boot/dts/ti/omap/omap4-epson-embt2ws.dts | 28 ++++++++++++++++++-
1 file changed, 27 insertions(+), 1 deletion(-)
diff --git a/arch/arm/boot/dts/ti/omap/omap4-epson-embt2ws.dts b/arch/arm/boot/dts/ti/omap/omap4-epson-embt2ws.dts
index 339e52ba3614b..5d4c10325b322 100644
--- a/arch/arm/boot/dts/ti/omap/omap4-epson-embt2ws.dts
+++ b/arch/arm/boot/dts/ti/omap/omap4-epson-embt2ws.dts
@@ -17,6 +17,24 @@ memory@80000000 {
reg = <0x80000000 0x40000000>; /* 1024M */
};
+ battery: battery {
+ compatible = "simple-battery";
+ device-chemistry = "lithium-ion";
+ charge-full-design-microamp-hours = <2720000>;
+ voltage-max-design-microvolt = <4200000>;
+ voltage-min-design-microvolt = <3300000>;
+
+ constant-charge-voltage-max-microvolt = <4200000>;
+ /*
+ * vendor kernel says max charge 1400000, input limit 900000
+ * and charges only with dcp chargers. So it is unclear what
+ * is really allowed. Play safe for now and restrict things
+ * here. Maybe 900000 is just the limit of the vendor charger?
+ */
+ constant-charge-current-max-microamp = <900000>;
+ charge-term-current-microamp = <200000>;
+ };
+
backlight-left {
compatible = "pwm-backlight";
pwms = <&twl_pwm 1 7812500>;
@@ -87,6 +105,14 @@ twl: pmic@48 {
#interrupt-cells = <1>;
system-power-controller;
+ charger {
+ compatible = "ti,twl6032-charger", "ti,twl6030-charger";
+ interrupts = <2>, <5>;
+ io-channels = <&gpadc 10>;
+ io-channel-names = "vusb";
+ monitored-battery = <&battery>;
+ };
+
rtc {
compatible = "ti,twl4030-rtc";
interrupts = <11>;
@@ -166,7 +192,7 @@ twl_pwmled: pwmled {
#pwm-cells = <2>;
};
- gpadc {
+ gpadc: gpadc {
compatible = "ti,twl6032-gpadc";
interrupts = <3>;
#io-channel-cells = <1>;
--
2.39.2
